public MultiLayerEdit(Composition comp, String name, MultiLayerBackup backup) {
super(comp, name);
this.canvasChangeEdit = backup.getCanvasChangeEdit();
this.translationEdit = backup.getTranslationEdit();
int nrLayers = comp.getNrImageLayers();
if (nrLayers == 1) {
layer = comp.getAnyImageLayer();
imageEdit = backup.createImageEdit(layer.getImage());
undoable = true;
} else {
imageEdit = null;
undoable = false;
}
if (comp.hasSelection()) {
assert backup.hasSavedSelection();
selectionChangeEdit = backup.createSelectionChangeEdit();
} else {
if (backup.hasSavedSelection()) {
// it was a deselect:
// either a selection crop or a crop tool crop without
// overlap with the existing selection.
deselectEdit = backup.createDeselectEdit();
}
}
}
